Method register_operator

schema.hh:58–62

    s.schema = this;
  }
  virtual void register_operator(op& o) {
    operators.push_back(o);
    typekey t(o.left, o.right, o.result);
    index.insert(std::pair<typekey,op>(t,o));
  }
  virtual void register_routine(routine& r) {
    routines.push_back(r);
  }